spi: add generic R-Car Gen4 and specific r8a779f0 support

Merge series from Wolfram Sang <wsa+renesas@sang-engineering.com>:

Here are the patches to enable MSIOF on R-Car S4-8. They also introduce
generic Gen4 support and move V3U to Gen4 (which it really is).
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Mark Brown 2022-08-29 17:49:33 +01:00
commit 7bb5b8268e
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2 changed files with 7 additions and 1 deletions